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navik [9.2K]
2 years ago
6

help me pls im desperate! A rectangle has a perimeter of 20 units, an area of 24 square units, and sides that are either horizon

tal or vertical. Do the following ordered pairs form the rectangle described above? {(2,4), (6,4), (2,10), (10,4)}

Mathematics
2 answers:
Butoxors [25]2 years ago
8 0
I think the answer is D
valentinak56 [21]2 years ago
4 0

Answer:

D

Step-by-step explanation:

I took an educated guess, I remember doing this.

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I will mark brainliest
4vir4ik [10]

Answer:

I think It would be A but I'm not exactly sure

7 0
3 years ago
Read 2 more answers
What does absolute value mean?​
Lynna [10]
Absolute value is the magnitude of a number without regard to its sign. for example, the absolute value of 5 is 5, and the absolute value of -5 is also 5!
4 0
3 years ago
(A) A small business ships homemade candies to anywhere in the world. Suppose a random sample of 16 orders is selected and each
Leviafan [203]

Following are the solution parts for the given question:

For question A:

\to (n) = 16

\to (\bar{X}) = 410

\to (\sigma) = 40

In the given question, we calculate 90\% of the confidence interval for the mean weight of shipped homemade candies that can be calculated as follows:

\to \bar{X} \pm t_{\frac{\alpha}{2}} \times \frac{S}{\sqrt{n}}

\to C.I= 0.90\\\\\to (\alpha) = 1 - 0.90 = 0.10\\\\ \to \frac{\alpha}{2} = \frac{0.10}{2} = 0.05\\\\ \to (df) = n-1 = 16-1 = 15\\\\

Using the t table we calculate t_{ \frac{\alpha}{2}} = 1.753  When 90\% of the confidence interval:

\to 410 \pm 1.753 \times \frac{40}{\sqrt{16}}\\\\ \to 410 \pm 17.53\\\\ \to392.47 < \mu < 427.53

So 90\% confidence interval for the mean weight of shipped homemade candies is between 392.47\ \ and\ \ 427.53.

For question B:

\to (n) = 500

\to (X) = 155

\to (p') = \frac{X}{n} = \frac{155}{500} = 0.31

Here we need to calculate 90\% confidence interval for the true proportion of all college students who own a car which can be calculated as

\to p' \pm Z_{\frac{\alpha}{2}} \times \sqrt{\frac{p'(1-p')}{n}}

\to C.I= 0.90

\to (\alpha) = 0.10

\to \frac{\alpha}{2} = 0.05

Using the Z-table we found Z_{\frac{\alpha}{2}} = 1.645

therefore 90\% the confidence interval for the genuine proportion of college students who possess a car is

\to 0.31 \pm 1.645\times \sqrt{\frac{0.31\times (1-0.31)}{500}}\\\\ \to 0.31 \pm 0.034\\\\ \to 0.276 < p < 0.344

So 90\% the confidence interval for the genuine proportion of college students who possess a car is between 0.28 \ and\ 0.34.

For question C:

  • In question A, We are  90\% certain that the weight of supplied homemade candies is between 392.47 grams and 427.53 grams.
  • In question B, We are  90\% positive that the true percentage of college students who possess a car is between 0.28 and 0.34.

Learn more about confidence intervals:  

brainly.in/question/16329412

7 0
2 years ago
5. Determine the 2d shape that would be created if the 3d shape were sliced as shown.
geniusboy [140]
Sorry love i’m so sure but harry might know....?
3 0
3 years ago
Triangle ABC is shown in the diagram below. Show two different ways that you can determine the measure of ABC
iragen [17]

Step-by-step explanation:

vertical angles or line pairs

c=60

180-120=60

180-131=49

60+49=109

180-109=71

6 0
2 years ago
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